Class 12th Chemistry 2017 Set1 Delhi Board Paper Solution
Complete the following reactions:
(i) NH3 + 2Cl2 (excess) 
(ii) XeF6 + 2H2O
OR
What happens when
(i) (NH4)2 Cr2 O7 is heated?
(ii) H3PO3 is heated?
Write the equations?
Below reactions are completed:
(i) NH3 + 2Cl2 (excess) NCL3 + 3HCl
(ii) XeF6 + 2H2O XeO2F2 + 4HF
OR
(i) When (NH4)2 Cr2 O7 is heated it decompose to produce Cr2O3, H2O and N2 as follows:
(ii) H3PO3 Orthophosphorous acid (or Phosphorous acid) on heating disproportionates to give Orthophosphoric acid (or Phosphoric acid) and phosphine
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How the following conversions can be carried out?
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(ii) Ethanol to but-1-yne
(iii) 1-Bromopropane to 2-bromopropane
(iv) Toluene to benzyl alcohol
(v) Benzene to 4-bromonitrobenzene
(vi) Benzyl alcohol to 2-phenylethanoic acid
(vii) Ethanol to propanenitrile
(viii) Aniline to chlorobenzene
(ix) 2-Chlorobutane to 3, 4-dimethylhexane
(x) 2-Methyl-1-propene to 2-chloro-2-methylpropane
(xi) Ethyl chloride to propanoic acid
(xii) But-1-ene to n-butyliodide
(xiii) 2-Chloropropane to 1-propanol
(xiv) Isopropyl alcohol to iodoform
(xv) Chlorobenzene to p-nitrophenol
(xvi) 2-Bromopropane to 1-bromopropane
(xvii) Chloroethane to butane
(xviii) Benzene to diphenyl
(xix) tert-Butyl bromide to isobutyl bromide
(xx) Aniline to phenylisocyanide
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A solution of glucose in water is labelled as 10% w/w, what would be the molality and mole fraction of each component in the solution? If the density of solution is 1.2 g mL-1, then what shall be the molarity of the solution?
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(iii)
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How the following conversions can be carried out?
(i) Propene to propan-1-ol
(ii) Ethanol to but-1-yne
(iii) 1-Bromopropane to 2-bromopropane
(iv) Toluene to benzyl alcohol
(v) Benzene to 4-bromonitrobenzene
(vi) Benzyl alcohol to 2-phenylethanoic acid
(vii) Ethanol to propanenitrile
(viii) Aniline to chlorobenzene
(ix) 2-Chlorobutane to 3, 4-dimethylhexane
(x) 2-Methyl-1-propene to 2-chloro-2-methylpropane
(xi) Ethyl chloride to propanoic acid
(xii) But-1-ene to n-butyliodide
(xiii) 2-Chloropropane to 1-propanol
(xiv) Isopropyl alcohol to iodoform
(xv) Chlorobenzene to p-nitrophenol
(xvi) 2-Bromopropane to 1-bromopropane
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(xviii) Benzene to diphenyl
(xix) tert-Butyl bromide to isobutyl bromide
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Write the names of reagents and equations for the preparation of the following ethers by Williamson's synthesis:
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Mention the conditions required to maximise the yield of ammonia.